How to get from One Union Station to Castle Rock by bus and train?

One Union Station to Castle Rock - Train Schedule

The A train from One Union Station to Castle Rock runs from 12:00 AM to 11:30 PM, with departures every 15 min-2 hr 30 min. The trip takes about 1 hr 35 min, with regular service throughout the operating hours.

From One Union Station to Castle Rock by bus and train

To get from One Union Station to Castle Rock in Denver - Boulder, CO, take the A train from Union Station station to Denver Airport Station Bus Gates 6,7,8,9 & 10 station. Next, take the GROOME TRANSPORTATION bus from Denver Airport East - Door 505 Island 5 station to Days Inn Castle Rock station. The total trip duration for this route is approximately 1 hr 35 min. The ride fare is $40.50. The bus and train schedule from One Union Station may change. We recommend you check the updated bus and train schedule to Castle Rock on the Moovit app.

95min$40.50
Walk to train station
Train - A
Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
Walk to Castle Rock
Leaves from Union Station

Step by Step

  • 1
    Walk to train station
    Walk to train station
    Union Station
    ID 34782/34667
    130 yd • 2 min
  • 2
    Train - A
    Wait for train
    A
    Denver Airport
  • 3
    Ride to train station
    Ride to train station
    Denver Airport Station Bus Gates 6,7,8,9 & 10
    ID 34503
    37 min
  • 4
    Walk to bus station
    Walk to bus station
    Denver Airport East - Door 505 Island 5
    350 yd • 5 min
  • 5
    Bus - GROOME TRANSPORTATIONGROOME TRANSPORTATION
    Wait for bus
    GROOME TRANSPORTATION
    Colorado Springs
  • 6
    Ride to bus station
    Ride to bus station
    Days Inn Castle Rock
    35 min
  • 7
    Walk to Castle Rock
    Walk to
    Castle Rock
    180 yd • 3 min
*Duration based on 8am traffic
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Public transit directions from One Union Station to Castle Rock

The distance between One Union Station, Denver - Boulder, CO and Castle Rock, Denver - Boulder, CO is approximately 67.3 mi, which can typically be travelled in 95 min. Moovit will show you the directions from One Union Station to Castle Rock by bus and train, so no matter how you choose to travel in Denver - Boulder, CO – you will always have plenty of easy options.

Bus And Train schedule from One Union Station to Castle Rock

To check the bus and train schedule from One Union Station to Castle Rock using the Moovit app, first download and open the app on your smartphone. Enter your starting point (One Union Station) and destination (Castle Rock), then select the desired date and time of travel. Moovit will show all available bus and train routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each bus and train, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest bus and train schedules.

Related Routes

Questions & Answers

  • What is the fastest way to get from One Union Station to Castle Rock?

    The fastest way takes 95 minutes, using Train line A, Bus line GROOME TRANSPORTATION.

  • Is there a direct train between One Union Station and Castle Rock?

    No, you’ll have to take one train line and one bus line in total. The total travelling time is 1 hr 35 min.

  • Which train line goes from One Union Station to Castle Rock?

    The A train line goes from Union Station near One Union Station in Denver to Denver Airport Station Bus Gates 6,7,8,9 & 10 station. From there you’ll have to take one bus line till Denver Airport Station Bus Gates 6,7,8,9 & 10 station near Castle Rock in Denver - Boulder, CO.

  • How long does it take to travel from One Union Station to Castle Rock by train and bus?

    The total travel time between One Union Station in Denver and Castle Rock in Denver - Boulder, CO by train and bus is about 1 hr 35 min.

  • Where do I get on the train near One Union Station to get to Castle Rock?

    Get on the A train from the Union Station near One Union Station in Denver.

  • Where do I get off the train when travelling between One Union Station and Castle Rock?

    Get off the train at the Denver Airport Station Bus Gates 6,7,8,9 & 10 stop, which is closest to Castle Rock in Denver - Boulder, CO.

  • How much is the train fare from One Union Station to Castle Rock?

    The ride from One Union Station to Castle Rock costs $40.50.

Popular Routes